<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Promised all方法使用</title>
</head>
<body>

  <script>
    Promise.all([
      // new Promise((resolve, reject) => {
        // $.ajax({
        //   url: 'url1',
        //   success: function (data) {
        //     resolve(data)
        //   }
        // })
      // }),
      // new Promise((resolve, reject) => {
        // $.ajax({
        //   url: 'url2',
        //   success: function (data) {
        //     resolve(data)
        //   }
        // })
      // })
      new Promise((resolve, reject) => {
        setTimeout(() => {
          resolve('result1')
        }, 2000)
      }),
      new Promise((resolve, reject) => {
        setTimeout(() => {
          resolve('result2')
        }, 1000)
      })
    ]).then(results => {
      console.log(results);
    })
  </script>
</body>
</html>